teacher20306 is
15 years ago
三角函數全忘了= =
黃藥師 says
15 years ago
我從指考的時候就沒記得過... (LOL)
teacher20306 says
15 years ago
有人知道sin3次方的積分怎麼積呀@teacher20306@teacher20306?
teacher20306 says
15 years ago
得解了= ="
立即下載
LalaJim says
15 years ago
為什麼要學三角函數?
LalaJim says
15 years ago
妳要重考大學?!!